Grand Power P1S MK23 | 9mm | 3.66-inch | 12rd

The Grand Power P1S MK23 is a compact, hammer-fired 9mm pistol that blends the P11 grip with a P1 slide and barrel to improve concealability while retaining a 12-round capacity. It includes a firing pin block and a manual thumb safety for additional mechanical safety features. The MK23 configuration arrives optics-ready with four baseplates to accommodate most common red dot footprints; a Holosun 507K is a compatible, reliable micro red dot option that pairs well with this pistol and is commonly available under $1,000. Recommended uses include concealed carry and everyday range practice where compact handling and controllability matter.

Product Specifications

• The manufacturer is Grand Power.
• The model is the P1S MK23.
• The caliber is 9mm.
• The barrel measures 3.66 inches.
• The magazine capacity is 12 rounds.
• The action type is Semi-Auto.
• The frame material is Polymer.
• The trigger system is Double / Single Action.
• The finish color is Matte Black.
• The sights are configured as 3 Dot iron sights.
• The pistol includes a Thumb Safety and a firing pin block.
• The package includes 3 magazines.
• The size class is Compact.
• The MK23 variant is optics-ready with four baseplates for common red dot footprints.
• The UPC is 8588005944663.

The P1S MK23 is designed to deliver compact carryability without sacrificing capacity or basic safety features. Its textured grip and compact dimensions make it suited for concealed carry and regular range use; the optics-ready slide adds modern flexibility for shooters who prefer a micro red dot. Overall, this pistol is a practical choice for someone seeking a small, hammer-fired 9mm with contemporary mounting options.

Users commonly praise the P1S for its comfortable grip and concealability, and for arriving optics-ready straight from the factory.